型号 / 厂家，封装，批号，备注，订购

SL74HC20 / System Logic Semiconductor,Datasheet,07+,Dual 4-Input NAND Ga 订购 PDF文档

SL74HC20D / System Logic Semiconductor,Datasheet,06/07+,Dual 4-Input NAND Ga 订购 PDF文档

SL74HC221D / System Logic Semiconductor,Datasheet,07+,Dual Monostable Mult 订购 PDF文档

SL74HC221N / System Logic Semiconductor,Datasheet,07+,Dual Monostable Mult 订购 PDF文档

SL74HC240 / System Logic Semiconductor,Datasheet,06/07+,Octal 3-State Invert 订购 PDF文档

SL74HC240N / System Logic Semiconductor,Datasheet,06/07+,Octal 3-State Invert 订购 PDF文档

SL74HC241 / System Logic Semiconductor,Datasheet,06/07+,Octal 3-State Noninv 订购 PDF文档

SL74HC241D / System Logic Semiconductor,Datasheet,06/07+,Octal 3-State Noninv 订购 PDF文档

SL74HC241N / System Logic Semiconductor,Datasheet,07+,Octal 3-State Noninv 订购 PDF文档

SL74HC244 / System Logic Semiconductor,Datasheet,06/07+,Octal 3-State Noninv 订购 PDF文档